The new Astera QuikPunch essentially takes everything that made the QuikSpot a success and scales it up. Taking cues from the popular 3” lens QuikSpot but scaling up in size, lux output, and beam ...

Using only a single-crystal piezoelectric thin wafer of lithium niobate (LN) instead of the usual two-part structure, a group ...

The Physics Behind the Spanish Blackout. Madrid knew solar and wind power were unreliable but pressed ahead anyway. By . Bjorn Lomborg. Share. Resize. Listen (3 min) ...

The common good lens, in contrast, focuses on the impact of a practice on the health and welfare of communities or groups of people, up to and including all of humanity, as functional wholes. Welfare ...

High-add multifocal contact lenses slow eye growth in myopic children, reducing myopia progression. This effect is linked to a sustained increase in subfoveal choroidal thickness and area, ...

The Nikkor Z 180-600mm F5.6-6.3 VR is the best big zoom lens for photographing wildlife, field sports, and other distant ...

The main shooter is expected to be complemented by a 1/1.3-inch 50MP periscope sensor and a 50MP ultrawide lens. Source 1 • Source 2 (both in Chinese) Related articles.

Videos from Khan Sir's wedding reception in Patna went viral, showing him and his bride, AS Khan, warmly interacting with guests. | Trending ...

The design of a linear microstrip array and Fresnel lens combination as a potential candidate for Ka-band satellite communications is presented. Medium-power amplifiers are distributed within the ...

Quantum physics is the study of matter and energy at its most fundamental level. A central tenet of quantum physics is that energy comes in indivisible packets called quanta. Quanta behave very ...

Optical physics is the study of the fundamental properties of light and its interaction with matter. This includes classical optical phenomena such as reflection, refraction, diffraction and ...

At Cine Gear 2025, Astera was showing their new light, the 5″ fresnel QuikPunch. It’s a battery-powered LED PAR spot with a Fresnel lens designed for lighting professionals who need a fast, bright, ...